Read digital (DHT22) and I2C (BMP280) sensors, share one I2C bus with an OLED (addressing 0x76 / 0x3C), then publish readings over Wi-Fi via MQTT to a live web dashboard. Good first project for input devices + networking weeks.
- Input devices
- Networking and communications
- Embedded programming
- +2 more
₹811required parts, GST-inclusive as listed on 24 Oct 2026; GST rate unverified. Shipping not included.
See the parts list for ESP32 Climate Node with OLED and MQTT Dashboard →
Timing-based distance sensing, driving a servo with PWM, level-shifting a 5V echo line to a 3.3V MCU with a resistor divider, and drawing a polar sweep on an OLED. Pairs a laser-cut pan bracket with MicroPython on RP2040.
- Input devices
- Output devices
- Embedded programming
- +2 more
₹987required parts, GST-inclusive as listed on 24 Oct 2026; GST rate unverified. Shipping not included.
See the parts list for Ultrasonic Radar Scanner (RP2040 + Servo + OLED) →
Design a parametric laser-cut chassis around N20 motors, drive them with a DRV8833 H-bridge using PWM, add an ultrasonic scan head, handle a 2S battery with a 5V buck converter, and add a Wi-Fi web UI for manual/auto modes.
- Mechanical design
- Computer-controlled cutting
- Output devices
- +4 more
₹1,848required parts, GST-inclusive as listed on 24 Oct 2026; GST rate unverified. Shipping not included.
See the parts list for Wi-Fi Obstacle-Avoiding Mini Rover (Laser-Cut Chassis) →
Full board loop: schematic and layout in KiCad (single-sided, jumper-friendly), mill on a desktop CNC/PCB mill, solder through-hole parts, then program a game with buttons, WS2812 LEDs, buzzer and OLED score display. Covers DRC, tool-path generation, and debugging a fresh board.
- Electronics design
- Electronics production
- Embedded programming
- +2 more
₹837required parts, GST-inclusive as listed on 24 Oct 2026; GST rate unverified. Shipping not included.
See the parts list for Milled Pocket Reaction Game Board (XIAO RP2040) →
- advanced
- 12-16 hours over 2-3 days (cure times)
Design a diffuser dome with a cavity for the electronics, print the master, make a two-part silicone mould (parting line, pour/vent design, release), cast in clear epoxy, finish (sand to frost), then drive a WS2812 ring from XIAO ESP32-C3 with a Wi-Fi colour picker page.
- 3D scanning and printing
- Molding and casting
- Output devices
- +3 more
₹3,569.35required parts, GST-inclusive as listed on 24 Oct 2026; GST rate unverified. Shipping not included.
See the parts list for Cast Epoxy Glow Lamp (3D-Printed Master, Silicone Mould, Wi-Fi LEDs) →