Pico Ultrasonic Theremin: Turn Hand Distance into Sound
Turn distance into sound with a Raspberry Pi Pico and HC-SR04. Build the echo divider and explore pulse timing and PWM with full MicroPython code.
Unravel the Mystery of Electronics

Soldering required. Check the supplied parts and board revision.

Listing specifies 5-volt direct current. Soldering required; battery and glue not included.

Breadboard, wires and assorted parts. Arduino controller board not included.

Surface-mount soldering practice. Battery and battery holder not included.

Clock-and-case project kit. Soldering required; check included parts and power requirements.

Soldering and assembly required. Check battery and track requirements before buying.
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Turn distance into sound with a Raspberry Pi Pico and HC-SR04. Build the echo divider and explore pulse timing and PWM with full MicroPython code.
The HC-SR04 is an ultrasonic distance sensor that measures the distance to objects using high-frequency sound waves (ultrasound). Think of it as a bat-like echo …
1️⃣ PCA9685 – 16-Channel PWM Driver Why it rocks:Controls up to 16 servos or LEDs with just 2 I2C wires.Perfect for walking robots, robotic arms, …
Explore these do-it-yourself project kits. Check the selected option, included parts and instructions on each offer.
Tricky Circuit may earn a commission if you buy through these Temu affiliate links. These are product ideas; they have not been bench-tested by Tricky Circuit and are not verified lesson parts lists.

Supplier product photo
Soldering required. Check the supplied parts and board revision.

Supplier product photo
Listing specifies 5-volt direct current. Soldering required; battery and glue not included.

Supplier product photo
Breadboard, wires and assorted parts. Arduino controller board not included.

Supplier product photo
Surface-mount soldering practice. Battery and battery holder not included.

Supplier product photo
Clock-and-case project kit. Soldering required; check included parts and power requirements.

Supplier product photo
Soldering and assembly required. Check battery and track requirements before buying.