Projects Projects
3-Wire Electret Microphone Pre-Amplifier
OPA1692 Pre-Amp: Low-noise, 3-wire electret mic pre-amp.
12W Step Up DC-DC Converter using MAX1771
MAX1771 Step-Up Converter: 5V to 12V boost with 90% efficiency.
Sound to Light Color Shield for OLEDUINO v2
Sound-to-Light Shield: OLEDUINO-V2 audio pre-amp & rectifier.
Multipurpose Motor Driver Shield for OLEDUINO v2
BD60210FV Shield: OLEDUINO-V2 driver for 1 stepper, 2 DC motors, or 4 solenoids.
Mini Power Monitor Shield for OLEDUINO v2 using INA219
INA219 Monitor Shield: Compact OLEDUINO-v2 add-on.
RS485 Shield for OLEDUINO v2
This is a fault protected RS485 shield for OLEDUINO-V2, SN65HVD1782 chip used as RS485 transreceiver, designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications.
Electronic Weight Scale Shield For OLEDUINO-v2
This compact shield is based on the HX711 ADC, specifically designed to interface load cells and strain gauge sensors.
Solenoid & DC Motor Driver Shield for OLEDUINO v2
OLEDUINO-V2 Shield is able to drive up to 3.7A/24V for motors & solenoids.
H-Bridge for LLC and Phase-Shifted DC-DC Converters
LLC/Phase-Shift DC-DC Development Board : NXV65HR82DZ2 H-Bridge, 2x L6491 drivers, OC shutdown, and current sensing.
Wireless Light Level Monitor – Transmitter Unit
Wireless Light Monitor: OPT101 sensor, ATMEGA328, and 433MHz RF.
Isolated IGBT Half-Bridge Gate Driver Module
Isolated Half-Bridge: 1ED3124MC12H ICs, +15V/-9V supply, IGBTs, and shunt-based over-current detection.
Voltage Controlled Oscillator with Isolated Output
Precision Oscillator: 1–31kHz programmable range.