VoltJots | Electronics and IoT | Issue 70
VoltJots is a free, weekly newsletter, packed with the latest news, products, projects, and tutorials about electronics and IoT. What will you build next?
VoltJots, Issue 70, is out now! This week: stretchable, biodegradable batteries, sensors that sniff out chemicals, and some genuinely cool buildsโlike your own digital compass and a pager that lets you text off-grid. Give it a read! It's free :-)
voltjots.beehiiv.com/p/issue-70
#electronics
04.12.2025 05:50 โ ๐ 1 ๐ 0 ๐ฌ 0 ๐ 0
3D Printed mmWave Human Detection system with Xiao ESP32C3
This project combines the DFRobot C1001 mmWave Human Detection Sensor with the Xiao ESP32C3 and a custom 3D-printed enclosure. By Pradeep.
Build a 3D-printed mmWave human detector system. This project uses the DFRobot C1001 mmWave sensor paired with a Xiao ESP32C3 microcontroller inside a custom 3D-printed case, creating a neat, modular system for detecting human presence.
www.hackster.io/pradeeplogu0...
#electronics #ESP32
24.11.2025 05:43 โ ๐ 4 ๐ 0 ๐ฌ 0 ๐ 0
PowerBaby-100
A compact 100 W breadboard power supply with essential features
Your next breadboard power supply: up to 100 W of power from USB-C PD 3.0 sources. Selectable output 5 V-20 V, 0.5 A - 5.25 A. Includes short-circuit and voltage protection, and shows output voltage on an LED display.
www.crowdsupply.com/making/power...
#electronicsprojects #electronics
09.10.2025 08:32 โ ๐ 1 ๐ 0 ๐ฌ 0 ๐ 0
DIY Thermal Camera with Raspberry Pi & AMG8833 Thermal Image Sensor
Overview In this project, we will build our own Thermal Camera with Raspberry Pi & AMG8833 Thermal Image Array Temperature Sensor. Earlier we build a
Build your own thermal camera with Raspberry Pi and the AMG8833 sensor, offering 64 pixels of infrared measurement with a 60-degree viewing angle and a temperature range of 0ยฐC to 80ยฐC.
how2electronics.com/diy-thermal-...
#electronics #raspberypi
14.07.2025 08:32 โ ๐ 2 ๐ 0 ๐ฌ 0 ๐ 0
TechRM auto-post
๐ Discover what's new! RFID access control with ESP8266: a simple solution by @techrmcom: https://www.techrm.com/rfid-access-control-with-esp8266-a-simple-solution/ ๐ค What do you think? Let us know! #Robotics #EmbeddedSystems
22.06.2025 07:21 โ ๐ 1 ๐ 1 ๐ฌ 0 ๐ 0
Portable AI Voice Assistant using ESP32 & Gemini AI
Ask anything, get answers on the go! Build a portable voice assistant with Gemini AI & ESP32 for seamless, smart voice interactions By Sachin Soni.
Build a portable AI voice assistant with ESP32 and Gemini AI for real-time voice interactions, answering questions, solving maths problems, and translating languages on the go.
www.hackster.io/techiesms/po...
#electronics #ESP32 #AI
12.06.2025 06:40 โ ๐ 3 ๐ 0 ๐ฌ 0 ๐ 0
Pi Zero-Based Instant Camera โ Raspberry Pi Official Magazine
Fancy your own Pi Zero-based polaroid?
magazine.raspberrypi.com/articles/pi-...
#electronics #raspberrypi
23.05.2025 06:00 โ ๐ 1 ๐ 1 ๐ฌ 0 ๐ 0
Zephyr RTOS on Raspberry Pi Pico 2 - Part 1
Zero to (Greek) Hero: A quick start guide for running Zephyr RTOS v4.1 on the Raspberry Pi Pico 2 board. By Chris Wilson.
A beginner-friendly, step-by-step guide to getting started with the Zephyr RTOS on the Raspberry Pi Pico 2.
www.hackster.io/cdwilson/zep...
#electroincs #raspberrypipico #microcontrollers
06.04.2025 03:37 โ ๐ 11 ๐ 2 ๐ฌ 0 ๐ 0
Before the Swift community embraced embedded development, some manufacturers were already using Swift for embedded systems. The SwiftIO Playground Kit sparked excitement and challenges in Swift for embedded tech.
fatbobman.com/en/posts/de...
17.03.2025 13:52 โ ๐ 15 ๐ 3 ๐ฌ 2 ๐ 0
How to Setup a GPS Sensor on the Arduino
GPS sensors are perfect for projects where the global position of a device needs to be determined.
Want to learn how to set up a GPS sensor on an Arduino? From wiring it up and programming it to reading and using raw GPS, check out this tutorial. #arduino #Electronics #electronicsprojects
www.circuitbasics.com/how-to-setup...
01.03.2025 00:59 โ ๐ 0 ๐ 0 ๐ฌ 0 ๐ 0
I've updated my block breaker game to use my LCD.py module so everything is drawn using the #MicroPython frame buffer.
It's really fast on the #Arduino Nano ESP32 used in BEAPER Nano! ๐จ ๐คฉ
26.02.2025 23:21 โ ๐ 11 ๐ 1 ๐ฌ 0 ๐ 0
Congrats :-) Random Nerd Tutorials is awesome and was my go-to when I first started out with MicroPython and the ESP dev boards.
18.01.2025 21:49 โ ๐ 0 ๐ 0 ๐ฌ 0 ๐ 0
Ha...priceless ๐คช
09.01.2025 23:47 โ ๐ 0 ๐ 0 ๐ฌ 0 ๐ 0
11 Best Raspberry Pi Pico Projects You Need to Try in 2025
Keep reading on RaspberryTips.com
Youโve just gotten your hands on a Raspberry Pi Pico, and now youโre wonderingโwhat next? This powerful little microcontroller is perfect for fun and practical projects. In this post, I have compiled a list of the best Raspberry Pi Pico projects... #raspberrypi #linux
09.01.2025 02:00 โ ๐ 3 ๐ 1 ๐ฌ 0 ๐ 0
Yeah, I'm not sure. I was guessing that you'd solder directly onto your own PCB, rather than use a connector.
07.12.2024 08:39 โ ๐ 0 ๐ 0 ๐ฌ 1 ๐ 0
You're not on your own there
07.12.2024 07:31 โ ๐ 1 ๐ 0 ๐ฌ 0 ๐ 0
VoltJots Electronics Weekly: From Home Automation to Machine Learning โ voltjots.com/2024/11/30/v...
30.11.2024 05:15 โ ๐ 1 ๐ 0 ๐ฌ 0 ๐ 0
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