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  • 50W COB 30V-36V LED minitest from China - will it really be 50W?
  • Zener voltage measuring instrument.
  • Jewelery magnetic polisher - Handmade by CMS
  • Why film capacitors lose their capacity - MKP X2 capacitor section
  • KA2281 control indicator
  • Wireless soil moisture sensors
  • Inverter in half-bridge topology on STM32G474 controlled from a PC
  • V and A led meter modification on HC32F003 chip (4 bit, 0-100V, 0-10A)
  • USB PC gearbox (Simracing H-Shifter)
  • Arduino NANO 33 IoT, review, launch, tests, how to
  • Arduino NANO Every, review, launch, tests, how to, and.... problems
  • MAiX DOCK set: RISC-V, python and image analysis, tests, launch
  • MPCNC - a printed CNC milling machine!
  • Trolley for MIG / MAG welder
  • Flyback power supply in Circuit Maker
  • Pocket retro-emulator on Chinese FPGA by piotr_go.
  • DIY CNC milling machine, another raspberry ..
  • Air conditioner driver for Raspberry Pi
  • Controlling external HDD power from the DVB-T tuner
  • Zener voltage measuring instrument.
  • Jewelery magnetic polisher - Handmade by CMS
  • KA2281 control indicator
  • Wireless soil moisture sensors
  • Inverter in half-bridge topology on STM32G474 controlled from a PC
  • V and A led meter modification on HC32F003 chip (4 bit, 0-100V, 0-10A)
  • USB PC gearbox (Simracing H-Shifter)
  • Half bridge LC resonant with parallel load to C topology - calculations
  • MPCNC - a printed CNC milling machine!
  • Trolley for MIG / MAG welder
  • Pocket retro-emulator on Chinese FPGA by piotr_go.
  • DIY CNC milling machine, another raspberry ..
  • Controlling external HDD power from the DVB-T tuner
  • Displacement ventilation - protection against smoke from the neighbor
  • Photo booth for the party [Canon camera + Arduino]
  • Universal Li-ion charger with ATX power supply
  • Electronic components tester for Atmega328P and LCD Nokia 5110
  • Automatic clearance reset on the propeller - CNC milling machine
  • Amateur oscilloscope / USB generator (sound chip)
  • Air conditioner driver for Raspberry Pi
  • RFID open lock on Arduino
  • ESP8266 running on battery power for years
  • SMS controlled relay on SIM800L and Arduino Nano module
  • DIY thermal camera on ESP32
  • Open, simple, single-phase electricity consumption meter on the ATM90E26
  • SDR receiver for Raspberry Pi
  • Record overclocking of the Raspberry Pi
  • SMS gateway with web interface on Raspberry Pi
  • LoRa home gateway and sensor system.
  • FM transmitter with RDS on Raspberry Pi
  • Simple DIY electronic fuse
  • Translator of the Morsa alphabet for Arduino
  • A water meter with an impulser, i.e. a work of automation - a partisan.
  • 2.2kW ER25 electric spindle from a "dachshund" type motor.
  • The simplest cable for the Bayer Contour TS glucometer
  • 50W COB 30V-36V LED minitest from China - will it really be 50W?
  • Why film capacitors lose their capacity - MKP X2 capacitor section
  • Arduino NANO 33 IoT, review, launch, tests, how to
  • Arduino NANO Every, review, launch, tests, how to, and.... problems
  • MAiX DOCK set: RISC-V, python and image analysis, tests, launch
  • Flyback power supply in Circuit Maker
  • Oscyloskop DSO150 firmware - This board is FAKE !
  • D1 mini Pro module - ESP8266 WiFi - Test and Review
  • LCR-T4 electronics components tester ATMega328 - Test and Review
  • Dorji DRF1278F transceiver tests.
  • Transceiver DRF4463F - review.