Канал: Andreas Spiess

$8 MilkV Duo: Arduino on one core and Linux on the other

$8 MilkV Duo: Arduino on one core and Linux on the other

WiFi on LoRaWAN bands (HaLow) offers good penetration and long range (802.11ah)

WiFi on LoRaWAN bands (HaLow) offers good penetration and long range (802.11ah)

(483) ESP32 precision GPS receiver (incl. RTK-GPS Tutorial). How to earn money with it (DePIN)

(483) ESP32 precision GPS receiver (incl. RTK-GPS Tutorial). How to earn money with it (DePIN)

(482) Start PCs from remote (Wake on LAN, WOL) for Windows and Linux

(482) Start PCs from remote (Wake on LAN, WOL) for Windows and Linux

(481) Are Fuses from AliExpress and Amazon really dangerous? How to test yours!

(481) Are Fuses from AliExpress and Amazon really dangerous? How to test yours!

(480) How does NB-IOT and CAT-M1 / LTE-M compare to LoRaWAN (Tutorial)?

(480) How does NB-IOT and CAT-M1 / LTE-M compare to LoRaWAN (Tutorial)?

479 Which LoRaWAN Gateway Is Best For Me (Comparison)? Part 2

479 Which LoRaWAN Gateway Is Best For Me (Comparison)? Part 2

478 Which LoRaWAN Gateway Is Best For Me (Comparison)? Part 1

478 Which LoRaWAN Gateway Is Best For Me (Comparison)? Part 1

477 Use the very attractive new ATTINY chips for your projects

477 Use the very attractive new ATTINY chips for your projects

476 Is the Raspberry Pi5 the better Proxmox Server?

476 Is the Raspberry Pi5 the better Proxmox Server?

475 USB-C Tutorial for Everybody (Connector, Cable, PD, Data Transfer, Devices)

475 USB-C Tutorial for Everybody (Connector, Cable, PD, Data Transfer, Devices)

474 Understanding Abstraction is Very Helpful in Electronics and Computing

474 Understanding Abstraction is Very Helpful in Electronics and Computing

473 Battery Protection for Smartphones and Tablets using Home Assistant (charges only from 20-80%)

473 Battery Protection for Smartphones and Tablets using Home Assistant (charges only from 20-80%)

472 Simulate Arduino, ESP32, Pi Pico, STM32, And ATtiny with Wokwi

472 Simulate Arduino, ESP32, Pi Pico, STM32, And ATtiny with Wokwi

471 Well timed Mailbag to save your money Part 2

471 Well timed Mailbag to save your money Part 2

470 Well timed Mailbag to save your money Part 1

470 Well timed Mailbag to save your money Part 1

469 The new Wi-Fi on 60GHz: 1Gbit/s throughput in each direction. How far will it go?

469 The new Wi-Fi on 60GHz: 1Gbit/s throughput in each direction. How far will it go?

467 Radar Sensors from $3 to over $100: Which one is Best?

467 Radar Sensors from $3 to over $100: Which one is Best?

466 Upgrade your Raspberry Pi to a Homelab (instead of a Raspberry Pi 5)

466 Upgrade your Raspberry Pi to a Homelab (instead of a Raspberry Pi 5)

465 Rutgers University Confirmed: Meshtastic and LoRa are dangerous

465 Rutgers University Confirmed: Meshtastic and LoRa are dangerous

464 Better than GreatScott's Coil Gun? A true story, how-to not do it

464 Better than GreatScott's Coil Gun? A true story, how-to not do it

463 Why most Arduino Soil Moisture Sensors suck (incl. solution)

463 Why most Arduino Soil Moisture Sensors suck (incl. solution)

461 The Tools and Organizers I Use (with some tricks)

461 The Tools and Organizers I Use (with some tricks)

460 Seven Sensors tested: Measuring Current with Microcontrollers (Arduino, ESP32, ESP8266)

460 Seven Sensors tested: Measuring Current with Microcontrollers (Arduino, ESP32, ESP8266)

459 Radar Sensors and Summer Break

459 Radar Sensors and Summer Break

458 The second Part of My Long Mailbag

458 The second Part of My Long Mailbag

457 Mostly Around Power for Projects. And More

457 Mostly Around Power for Projects. And More

456 Hassle-Free ESP32 USB (ESP32-C3, ESP32-S2, ESP32-S3)

456 Hassle-Free ESP32 USB (ESP32-C3, ESP32-S2, ESP32-S3)

455 Matter and Thread: The New Home Automation World (Tutorial)

455 Matter and Thread: The New Home Automation World (Tutorial)

454 How to Build an Solar Battery Charger for eBike / Electric Bicycle

454 How to Build an Solar Battery Charger for eBike / Electric Bicycle

453 Use your Arduino and ESP32/ESP8266 from your Smartphone. No Cloud! (RemoteXY)

453 Use your Arduino and ESP32/ESP8266 from your Smartphone. No Cloud! (RemoteXY)

452 The definitive Guide to Zerotier VPN and why it is "better" than Wireguard (Tutorial)

452 The definitive Guide to Zerotier VPN and why it is "better" than Wireguard (Tutorial)

451 Which Processor can kill the ESP32?

451 Which Processor can kill the ESP32?

450 My Electronics EDC Kit for Travel

450 My Electronics EDC Kit for Travel

449 OpenMQTTGateway Connects Many Things to Your Home Automation

449 OpenMQTTGateway Connects Many Things to Your Home Automation

448 How to Build an On- and Off-Grid System (Backup Box Hack, Huawei SUN2000, LUNA2000)

448 How to Build an On- and Off-Grid System (Backup Box Hack, Huawei SUN2000, LUNA2000)

True Crime: Stolen E-Bikes with AirTags

True Crime: Stolen E-Bikes with AirTags

True Crime: Will we Find our Stolen Bikes?

True Crime: Will we Find our Stolen Bikes?

447 How to protect Home Automation and PC with an Uninterruptable Power Supply (UPS)

447 How to protect Home Automation and PC with an Uninterruptable Power Supply (UPS)

446 Productivity through Focus. More needed than ever in 2023

446 Productivity through Focus. More needed than ever in 2023

445 Can we trust our mains' power meters?

445 Can we trust our mains' power meters?

444 Lower the Energy Bill, Keep the Standard of Living (Consumption Optimization)

444 Lower the Energy Bill, Keep the Standard of Living (Consumption Optimization)

443 I found an Excellent Raspberry Pi Replacement for Home Assistant / IOTstack (incl. Proxmox)

443 I found an Excellent Raspberry Pi Replacement for Home Assistant / IOTstack (incl. Proxmox)

442 9 Hurdles of Home Assistant I Had to Overcome

442 9 Hurdles of Home Assistant I Had to Overcome

441 Are PV Optimizers Worth the Money (e.g. SolarEdge)?

441 Are PV Optimizers Worth the Money (e.g. SolarEdge)?

440 Let's build the Rubik Cube Bot who knows God's Number

440 Let's build the Rubik Cube Bot who knows God's Number

439 24GHz Radar Presence Detector that Works (LD2410)

439 24GHz Radar Presence Detector that Works (LD2410)

438 Photo Voltaic (PV): Why Your Inverter Stops When the Grid Goes Down

438 Photo Voltaic (PV): Why Your Inverter Stops When the Grid Goes Down

437 How to Use a Vector Network Analyzer (VNA) to Test Antennas

437 How to Use a Vector Network Analyzer (VNA) to Test Antennas

436 How to use Voltage Supervisors to protect ESP32, Raspberry Pi, and Batteries

436 How to use Voltage Supervisors to protect ESP32, Raspberry Pi, and Batteries

435 Safely Monitor and Alarm with Supervisord and Telegram

435 Safely Monitor and Alarm with Supervisord and Telegram

434 Transistors "Survival Kit" and Tutorial for Makers

434 Transistors "Survival Kit" and Tutorial for Makers

433 How Transistor Testers Work and How to Use them?

433 How Transistor Testers Work and How to Use them?

432 Tips and Tricks for Neopixels Projects (Arduino, ESP8266/ ESP32)

432 Tips and Tricks for Neopixels Projects (Arduino, ESP8266/ ESP32)

431 Summer Break Announcements and Plans

431 Summer Break Announcements and Plans

430 ESPnow and LoRa Network (incl. Repeaters and Gateways). A TTN replacement?

430 ESPnow and LoRa Network (incl. Repeaters and Gateways). A TTN replacement?

429 NRF52 Bluetooth (BLE) Tutorial. Does it consume less than the ESP32? (Feather, XIAO, ItsyBitsy)

429 NRF52 Bluetooth (BLE) Tutorial. Does it consume less than the ESP32? (Feather, XIAO, ItsyBitsy)

428 Quickie: My Videos with Subtitles in Your Language

428 Quickie: My Videos with Subtitles in Your Language

#427 Four 8kWh DIY Solar Plants with neighbors (Part 2)

#427 Four 8kWh DIY Solar Plants with neighbors (Part 2)

#426 DIY Solar System vs Commercial Offer (Part 1)

#426 DIY Solar System vs Commercial Offer (Part 1)

#425 GitHub Tutorial without using the Command Line

#425 GitHub Tutorial without using the Command Line

#424 They Removed the Raspberry Default Pi User. What to do?

#424 They Removed the Raspberry Default Pi User. What to do?

#423 Fluid (Water) Level Meter from Blood Pressure Monitor Hack

#423 Fluid (Water) Level Meter from Blood Pressure Monitor Hack

#422 A new Dual Antenna ESP32 Module: The WROOM-DA

#422 A new Dual Antenna ESP32 Module: The WROOM-DA

#421 Home Made OBD2 Engine Alarm Resetter device using an Arduino?

#421 Home Made OBD2 Engine Alarm Resetter device using an Arduino?

#420 ATmega4808, The New Arduino Chip?

#420 ATmega4808, The New Arduino Chip?

#419 ESP32 Audio Tutorial with lots of examples

#419 ESP32 Audio Tutorial with lots of examples

#418 AI on the edge vs. Traditional Engineering. Water Meter with ESP32-CAM

#418 AI on the edge vs. Traditional Engineering. Water Meter with ESP32-CAM

#417 ESP32 + Containers + High-Level Language + Connectivity = Toit

#417 ESP32 + Containers + High-Level Language + Connectivity = Toit

#416 Creative uses of Power Tool Batteries for Mobile Projects

#416 Creative uses of Power Tool Batteries for Mobile Projects

#415 Mailbag Part 2

#415 Mailbag Part 2

A new Channel is Born

A new Channel is Born

#414 Mailbag Part 1

#414 Mailbag Part 1

#413 Your PC Soundcard is an Oscilloscope, a Signal Generator, and a Spectrum Analyzer (Arta, REW)

#413 Your PC Soundcard is an Oscilloscope, a Signal Generator, and a Spectrum Analyzer (Arta, REW)

#412 How To Use Rules to Increase Your Efficiency

#412 How To Use Rules to Increase Your Efficiency

#411 Ten Fluid Level (Water Level) Sensors and how to use them (Arduino, ESP32, ESP8266)

#411 Ten Fluid Level (Water Level) Sensors and how to use them (Arduino, ESP32, ESP8266)

#410 Unknown ESP32 saving: Light Sleep, Clock Reduction, Modem Sleep, Hibernation, and a few tricks

#410 Unknown ESP32 saving: Light Sleep, Clock Reduction, Modem Sleep, Hibernation, and a few tricks

#409 Are Supercapacitors the better Batteries?

#409 Are Supercapacitors the better Batteries?

Quickie: Adventurous Recovery of a Weather Balloon

Quickie: Adventurous Recovery of a Weather Balloon

#408 Are LiFePO Batteries better? How to Use them For Small Projects

#408 Are LiFePO Batteries better? How to Use them For Small Projects

#407 ESP32-S2 New Arduino USB Functionality: Cool Combination with WiFi

#407 ESP32-S2 New Arduino USB Functionality: Cool Combination with WiFi

#406 Enocean: Energy Harvesting Switches and Sensors

#406 Enocean: Energy Harvesting Switches and Sensors

#405 Riddles? The First Arduino compatible 5GHz Wi-Fi Chip (RTL8720 )

#405 Riddles? The First Arduino compatible 5GHz Wi-Fi Chip (RTL8720 )

#404 How to Build or Migrate Sensors and Gateways on TTN LoRaWAN V3

#404 How to Build or Migrate Sensors and Gateways on TTN LoRaWAN V3

#403 Simple Trick to protect your Raspberry SD card from Crashing

#403 Simple Trick to protect your Raspberry SD card from Crashing

#402 LoRaWAN V3 Mailbox Notifier (TTN)

#402 LoRaWAN V3 Mailbox Notifier (TTN)

#401 What is in my Mailbag?

#401 What is in my Mailbag?

#400 The Best Power Source for ESP32/ ESP8266 Projects

#400 The Best Power Source for ESP32/ ESP8266 Projects

#388 Summer Break and plans

#388 Summer Break and plans

#387 Test of Battery operated ESP32 Boards (Olimex, TinyPICO, EzSBC, TTGO)

#387 Test of Battery operated ESP32 Boards (Olimex, TinyPICO, EzSBC, TTGO)

#386 How to measure low Currents for ESP/Arduino? Power Profiler, Otii, µCurrent Gold, Joulescope

#386 How to measure low Currents for ESP/Arduino? Power Profiler, Otii, µCurrent Gold, Joulescope

#385 Supervise your Home Server with a Watchdog and Heartbeats (Raspberry Pi, ESP8266, Docker)

#385 Supervise your Home Server with a Watchdog and Heartbeats (Raspberry Pi, ESP8266, Docker)

#384 LoraWAN + Cryptocurrency Miner = Helium. A good idea?

#384 LoraWAN + Cryptocurrency Miner = Helium. A good idea?

#383 Cheap and simple Solar Power for our small Projects (ESP32, ESP8266, Arduino)

#383 Cheap and simple Solar Power for our small Projects (ESP32, ESP8266, Arduino)

#382 Secure and cool Remote Controls (Touchless, AES128 encryption, with a T-Beam watch and a cat)

#382 Secure and cool Remote Controls (Touchless, AES128 encryption, with a T-Beam watch and a cat)

#381 How to work with a Real Time Operating System and is it any good? (FreeRTOS, ESP32)

#381 How to work with a Real Time Operating System and is it any good? (FreeRTOS, ESP32)

#380 Mailbag (Displays, LoRa, Pi & Pi Pico, Watches, Goodies)

#380 Mailbag (Displays, LoRa, Pi & Pi Pico, Watches, Goodies)

#379 The All-New Arduino IDE 2.0: Introduction and Test

#379 The All-New Arduino IDE 2.0: Introduction and Test

#378 How to choose Radar Sensors (Tutorial). Incl. PIR and LIDAR

#378 How to choose Radar Sensors (Tutorial). Incl. PIR and LIDAR

#377 Arduino Support for the Pi Pico available! And how fast is the Pico?

#377 Arduino Support for the Pi Pico available! And how fast is the Pico?

#376 How to receive and track LoRa Satellites (TinyGS). Incl. innovative ideas for your projects

#376 How to receive and track LoRa Satellites (TinyGS). Incl. innovative ideas for your projects

#375 Is Visual Micro the better Arduino IDE? Including ESP32 inline debugger

#375 Is Visual Micro the better Arduino IDE? Including ESP32 inline debugger

#374 Long-Range Walkie-Talkies using a Raspberry Pi Zero (including Clubhouse Clone)

#374 Long-Range Walkie-Talkies using a Raspberry Pi Zero (including Clubhouse Clone)

#373 Reset Buttons for the Pi Pico (and cool tweezers)

#373 Reset Buttons for the Pi Pico (and cool tweezers)

#372 How to use the two Cores of the Pi Pico? And how fast are Interrupts?

#372 How to use the two Cores of the Pi Pico? And how fast are Interrupts?

#371 RISC-V: How much is open source? Featuring the new ESP32-C3

#371 RISC-V: How much is open source? Featuring the new ESP32-C3

#370 Raspberry Pi Pico vs ESP32 (-S2) and STM32 Blackpill

#370 Raspberry Pi Pico vs ESP32 (-S2) and STM32 Blackpill

#369 Definitive Guide to Attaching Sensors to the Raspberry Pi (Tutorial)

#369 Definitive Guide to Attaching Sensors to the Raspberry Pi (Tutorial)

#368 How to build performing antennas for LoRa, WiFi, 433MHz, Airplanes etc.(NanoVNA, MMANA-GAL)

#368 How to build performing antennas for LoRa, WiFi, 433MHz, Airplanes etc.(NanoVNA, MMANA-GAL)

#367 How Trust Kills Complexity

#367 How Trust Kills Complexity

#366 9 New ESP32 Boards: Comparison and Tests

#366 9 New ESP32 Boards: Comparison and Tests

#365 Is Power over Ethernet (POE) on the ESP32 any good? (New TTGO and Olimex boards available)

#365 Is Power over Ethernet (POE) on the ESP32 any good? (New TTGO and Olimex boards available)

#364 Useless Machine including Dead Bug Construction example

#364 Useless Machine including Dead Bug Construction example

#363 Which ESP32 pins are safe to use?

#363 Which ESP32 pins are safe to use?

#362 Wireguard and NextCloud on a Raspberry Pi = Marvelous (Docker, IOTstack)

#362 Wireguard and NextCloud on a Raspberry Pi = Marvelous (Docker, IOTstack)

#361 IKEA Goodies for Makers incl. my Newest Find

#361 IKEA Goodies for Makers incl. my Newest Find

#360 Tracking and Chasing Weather Balloons with TTGO LoRa Board and Raspberry Pi. Fun and Adventure

#360 Tracking and Chasing Weather Balloons with TTGO LoRa Board and Raspberry Pi. Fun and Adventure

#359 How to properly use a NanoVNA V2 Vector Network Analyzer & Smith Chart (Tutorial)

#359 How to properly use a NanoVNA V2 Vector Network Analyzer & Smith Chart (Tutorial)

#358 CO2 Cuckoo Clock for schools and businesses (Why not eCO2?)

#358 CO2 Cuckoo Clock for schools and businesses (Why not eCO2?)

#357 How to assemble an outdoors electronics project

#357 How to assemble an outdoors electronics project

#356 Save Energy by automating your 3D-printer (Raspberry safe shutdown, OctoPrint, Sonoff)

#356 Save Energy by automating your 3D-printer (Raspberry safe shutdown, OctoPrint, Sonoff)

#355 Let's try to build a Vacuum Tube Radio

#355 Let's try to build a Vacuum Tube Radio

#354 Tasmota vs ESPhome: Who wins? (DIY Sensors, ESP32, Deep-Sleep, etc.)

#354 Tasmota vs ESPhome: Who wins? (DIY Sensors, ESP32, Deep-Sleep, etc.)

#353 How to use STM32 boards with Arduino IDE and how fast are they? (incl. surprise)

#353 How to use STM32 boards with Arduino IDE and how fast are they? (incl. surprise)

#352 Raspberry Pi4 Home Automation Server (incl. Docker, OpenHAB, HASSIO, NextCloud)

#352 Raspberry Pi4 Home Automation Server (incl. Docker, OpenHAB, HASSIO, NextCloud)

#351 10 Battery Power Boards for Raspberries and ESPs. Start of “SuperPower” project

#351 10 Battery Power Boards for Raspberries and ESPs. Start of “SuperPower” project

#350 After Lockdown Mailbag (without mid-roll ads)

#350 After Lockdown Mailbag (without mid-roll ads)

#349 Much more mid-roll ads on YouTube. Do you like that? How do I deal with it? (Non electronic)

#349 Much more mid-roll ads on YouTube. Do you like that? How do I deal with it? (Non electronic)

#348 Raspberry Pi 4 Laptop plus Experiments: CrowPi2

#348 Raspberry Pi 4 Laptop plus Experiments: CrowPi2

#347 Measuring Mains Voltage, Current, and Power for Home Automation

#347 Measuring Mains Voltage, Current, and Power for Home Automation

#346 "Multimeter plus" Tweezers for R, C, L, Diodes, incl. a Frequency Generator: Miniware DT71

#346 "Multimeter plus" Tweezers for R, C, L, Diodes, incl. a Frequency Generator: Miniware DT71

#345 ESP32 vs STM32: Which one is better (Bluepill)?

#345 ESP32 vs STM32: Which one is better (Bluepill)?

#344 QO-100 Update: Fried things. And a success

#344 QO-100 Update: Fried things. And a success

#343 Remote control of PC and Smartphones with DIY HID devices (incl. Rubber Ducky / Bad USB)

#343 Remote control of PC and Smartphones with DIY HID devices (incl. Rubber Ducky / Bad USB)

#342 12V/60A power supply (PSU) for 20 dollars? Unbelievable, but true. And high quality.

#342 12V/60A power supply (PSU) for 20 dollars? Unbelievable, but true. And high quality.

#341 Quickie: Raspberry Pi official USB Boot now much simpler. How fast is a cheap SSD?

#341 Quickie: Raspberry Pi official USB Boot now much simpler. How fast is a cheap SSD?

#340 How good are the ADCs inside Arduinos, ESP8266, and ESP32? And external ADCs (ADS1115)

#340 How good are the ADCs inside Arduinos, ESP8266, and ESP32? And external ADCs (ADS1115)

#339 The new ESP32-S2: How relevant is it for the Makers? First tests

#339 The new ESP32-S2: How relevant is it for the Makers? First tests

#338 QO-100: Some problems to solve. And a gift from my wife

#338 QO-100: Some problems to solve. And a gift from my wife

#337 LoRa Off-Grid Mesh Communication: Meshtastic (ESP32, BLE, GPS)

#337 LoRa Off-Grid Mesh Communication: Meshtastic (ESP32, BLE, GPS)

#336 How to get Precise Timing and Frequency to our Lab. From Crystals, TCXO, OCXO to GPSDO, BG7TBL

#336 How to get Precise Timing and Frequency to our Lab. From Crystals, TCXO, OCXO to GPSDO, BG7TBL

#335 QO-100 2.4GHz Directional Antenna build and Test (POTY)

#335 QO-100 2.4GHz Directional Antenna build and Test (POTY)

#334 How to find the right Power Supply for your Project

#334 How to find the right Power Supply for your Project

#333 Finally: Native USB Boot without SD card for the Raspberry Pi4 (SSD Boot)

#333 Finally: Native USB Boot without SD card for the Raspberry Pi4 (SSD Boot)

#332 ESP32 OTA tutorial with tricks (incl. OTA debugging)

#332 ESP32 OTA tutorial with tricks (incl. OTA debugging)

#331 QO-100 Satellite Receiving Technology. And Explanation of a PLL

#331 QO-100 Satellite Receiving Technology. And Explanation of a PLL

#330 Lockdown Mailbag (Portable Power supplies, NRF52840, Strong servos, LED Signal, Ailunce DMR)

#330 Lockdown Mailbag (Portable Power supplies, NRF52840, Strong servos, LED Signal, Ailunce DMR)

#329 QO-100 How Do We Get 20 Watts Output on 2.4GHz Wi-Fi

#329 QO-100 How Do We Get 20 Watts Output on 2.4GHz Wi-Fi

#328 ESP32 Secrets: Interrupts, and Deep-Sleep under the Hood

#328 ESP32 Secrets: Interrupts, and Deep-Sleep under the Hood

#327 QO-100 Reach a geostationary satellite on Wi-Fi frequency?

#327 QO-100 Reach a geostationary satellite on Wi-Fi frequency?

#325 6 PIR Sensors tested: PIR sensors incl. some new from Panasonic and an ESP32 shield

#325 6 PIR Sensors tested: PIR sensors incl. some new from Panasonic and an ESP32 shield

#324 Wemos D1 Mini: Long Range and Low Power Modification (ESP8266, LiFePo4)

#324 Wemos D1 Mini: Long Range and Low Power Modification (ESP8266, LiFePo4)

#323 Connected Light Sensor with 2 4GHz LoRa: How is its range? (SX1280, Arduino, ESP32)

#323 Connected Light Sensor with 2 4GHz LoRa: How is its range? (SX1280, Arduino, ESP32)

#322 12 Light Sensors Tested: Measuring Light with Microcontrollers (Arduino or ESP8266, ESP32)

#322 12 Light Sensors Tested: Measuring Light with Microcontrollers (Arduino or ESP8266, ESP32)

#321 7 Sensors tested: Measuring Current with Microcontrollers (Arduino, ESP32, ESP8266)

#321 7 Sensors tested: Measuring Current with Microcontrollers (Arduino, ESP32, ESP8266)

#320 Raspberry Pi 4 with SSD simpler: With Berryboot

#320 Raspberry Pi 4 with SSD simpler: With Berryboot

Andreas Spiess Live Stream

Andreas Spiess Live Stream

#319 Is your Information Management ok?

#319 Is your Information Management ok?

#318 BLE Oximeter Hack with ESP32 for COVID-19 Projects

#318 BLE Oximeter Hack with ESP32 for COVID-19 Projects

#317 A new cheap Wi-Fi-USB Switch. Test and "tasmotizing" (Sinilink, Tasmotizer)

#317 A new cheap Wi-Fi-USB Switch. Test and "tasmotizing" (Sinilink, Tasmotizer)

#316 Pulse Oximeter test, function, and usage

#316 Pulse Oximeter test, function, and usage

#315 How to use Voltage Supervisors to protect ESP32, Raspberry Pi, and Batteries

#315 How to use Voltage Supervisors to protect ESP32, Raspberry Pi, and Batteries

#314 Retro: Assembler Programming with 8085 (incl. plan for board)

#314 Retro: Assembler Programming with 8085 (incl. plan for board)

#313 Useful? Cheap Spectrum Analyzer LTDZ 35-4400M

#313 Useful? Cheap Spectrum Analyzer LTDZ 35-4400M

#312 Boot a Raspberry Pi4 with an SSD to make it reliable and fast

#312 Boot a Raspberry Pi4 with an SSD to make it reliable and fast

#311 All Transistors Faked on AliExpress?

#311 All Transistors Faked on AliExpress?

#310 Transistors "Survival Kit" and Tutorial for Makers

#310 Transistors "Survival Kit" and Tutorial for Makers

#309 Mailbag Part2 (Bench Power Supply, High Power LEDs, New LoRa Chips, etc.)

#309 Mailbag Part2 (Bench Power Supply, High Power LEDs, New LoRa Chips, etc.)

#308 Mailbag Part 1 (Tesla Coil, wireless energy transfer, Raspberry Pi stuff, etc.)

#308 Mailbag Part 1 (Tesla Coil, wireless energy transfer, Raspberry Pi stuff, etc.)

#307 How To Lose Weight with a Raspberry Pi and an ESP32

#307 How To Lose Weight with a Raspberry Pi and an ESP32

#306 What we should NOT do in 2020 (or in any other year)

#306 What we should NOT do in 2020 (or in any other year)

#305 Transfer a LoRa message through space to my PC before 2020?

#305 Transfer a LoRa message through space to my PC before 2020?

#304 New LoRa chips and Heltec LoRa boards. How good are they? (Arduino, SX1262, ASR6501)

#304 New LoRa chips and Heltec LoRa boards. How good are they? (Arduino, SX1262, ASR6501)

#303 Zigbee Meshes with IKEA, XIAOMI, Philips and zigbee2MQTT tested and explained

#303 Zigbee Meshes with IKEA, XIAOMI, Philips and zigbee2MQTT tested and explained

#302 We build a 20 Dollars LoRa Satellite Ground Station and we follow the FossaSat-1 launch

#302 We build a 20 Dollars LoRa Satellite Ground Station and we follow the FossaSat-1 launch

#301 Announcement: Launch of public LoRa Satellite (FossaSat)

#301 Announcement: Launch of public LoRa Satellite (FossaSat)

#300 How to measure CO2 and VOC with Arduino. Which one is better?

#300 How to measure CO2 and VOC with Arduino. Which one is better?

#299 Tricks to get NTP time for the ESP32 and the ESP8266 incl. Summer- and Daylight Saving time

#299 Tricks to get NTP time for the ESP32 and the ESP8266 incl. Summer- and Daylight Saving time

#298 Four new Arduino Nano Boards: Test and Comparison (Every, 33 IoT, 33 BLE, 33 BLE Sense)

#298 Four new Arduino Nano Boards: Test and Comparison (Every, 33 IoT, 33 BLE, 33 BLE Sense)

#297 We build a historic "PC" using technology from the 1970s (8085, 8155, old EPROM, TTL)

#297 We build a historic "PC" using technology from the 1970s (8085, 8155, old EPROM, TTL)

#296 Lora Propagation, Range, Antennas, and Link Budget (incl. LoRaWAN)

#296 Lora Propagation, Range, Antennas, and Link Budget (incl. LoRaWAN)

#295 Raspberry Pi Server based on Docker, with VPN, Dropbox backup, Influx, Grafana, etc: IOTstack

#295 Raspberry Pi Server based on Docker, with VPN, Dropbox backup, Influx, Grafana, etc: IOTstack

#294 Mailbag with Zigbee, Old 8085 Chips incl. Programmer, NanoVNA

#294 Mailbag with Zigbee, Old 8085 Chips incl. Programmer, NanoVNA

#293 Mailbag with Newest Arduinos, Noise Generator, M5Stick, Bluetooth Speaker (@Raspberry Pi)

#293 Mailbag with Newest Arduinos, Noise Generator, M5Stick, Bluetooth Speaker (@Raspberry Pi)

#292 Wi-Fi Antennas with Gain and ESP32 Long-Range Mode (part2)

#292 Wi-Fi Antennas with Gain and ESP32 Long-Range Mode (part2)

#291 External antennas and ESP32 Long-Range mode

#291 External antennas and ESP32 Long-Range mode

#290 How do Transistor Testers work (and some other insights)

#290 How do Transistor Testers work (and some other insights)

#289 ZigBee Tutorial: Ikea Tradfri, Philips Hue, Xiaomi Mijia

#289 ZigBee Tutorial: Ikea Tradfri, Philips Hue, Xiaomi Mijia

#288 Raspberry Pi 4 Coolers: Which one is best? (Quickie)

#288 Raspberry Pi 4 Coolers: Which one is best? (Quickie)

#287 Remote Controller for Clocks (IKEA and others, DCF77, WWVB, MSF, JJY)

#287 Remote Controller for Clocks (IKEA and others, DCF77, WWVB, MSF, JJY)

#286 How does Software Defined Radio (SDR) work under the Hood? SDR Tutorial

#286 How does Software Defined Radio (SDR) work under the Hood? SDR Tutorial

#285 ESP32 Cameras: Comparison and Test (OV2640) and I2S MEMS microphone test

#285 ESP32 Cameras: Comparison and Test (OV2640) and I2S MEMS microphone test

#284 Mailbag: MEMS Microphone, RISC V CPU,, Maker Phat & Uno, Tesla/Gauss Meter, e-ink, Sparkfun

#284 Mailbag: MEMS Microphone, RISC V CPU,, Maker Phat & Uno, Tesla/Gauss Meter, e-ink, Sparkfun

#283 FLIRC: A Cooling Case for the Raspberry Pi 4? Does it work? (Quickie)

#283 FLIRC: A Cooling Case for the Raspberry Pi 4? Does it work? (Quickie)

#282 Crimpers: IWISS IWS-2820M against Engineer PA-09?

#282 Crimpers: IWISS IWS-2820M against Engineer PA-09?

#281 3D Jig for Flashing the Sonoff Mini (Quickie)

#281 3D Jig for Flashing the Sonoff Mini (Quickie)

#280 Tutorial Sonoff Mini (DIY Mode, flash Tasmota)

#280 Tutorial Sonoff Mini (DIY Mode, flash Tasmota)

#279 How to debug Arduino Projects (GreatScott's Walkie-Talkie)

#279 How to debug Arduino Projects (GreatScott's Walkie-Talkie)

#278 Energy Harvesting for Makers

#278 Energy Harvesting for Makers

#277 Big Danube River Mailbag (Part 1)

#277 Big Danube River Mailbag (Part 1)