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.
Tricky Circuit may earn a commission through these links. Product ideas have not been bench-tested by Tricky Circuit and are not verified lesson parts lists.
Build a TPS22919 discharge fixture, add a diode-fed alternate path, and distinguish an OFF command from output voltage using explicit calculations.
Observe an MF-R010 with bounded resistive loads. Calculate cold voltage drop, reject supply-limit artifacts and record recovery without promising a trip time.
Build a low-voltage LM317LZ/NOPB current-source experiment. Include adjustment-pin current, calculate the load-voltage budget and recognise loss of compliance.
Build a 2.5 V LM4040 shunt-reference lab. Budget source, load and meter current; test headroom and explain why a plausible voltage can still be underbiased.
Decode Raspberry Pi4 current and historical health flags separately. Use a read-only Python snapshot that preserves unknown bits, command failures and firmware identity.
Compare two ATtiny85 battery dividers with the same ratio and tenfold different drain. Learn the VCC-reference trap, source impedance and per-unit calibration with full AVR C.
Build a calibration-aware INA219AIDR current monitor. Check raw shunt voltage, one-shot conversion readiness and reset faults before treating zero as a measurement.
Build a low-current 3.3 V MCP1700 battery supply. Measure regulation and dropout with known loads, check capacitor requirements and calculate heat.
A transformer is an electrical device that transfers electrical energy between circuits using electromagnetic induction. It works by converting voltage levels without changing the frequency …
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.
