tiny circuits, endless wonder.
a soft-start to electronicscomponents
identify parts and read their values
circuit symbols
what the squiggles mean
build a project
how to plan, prototype & assemble
integrated circuits
pins, sockets, datasheets
555 timer IC
classic timers & fun circuits
study electronics
how circuits actually work
books
friendly intros & references
breadboard
prototype without solder
soldering guide
clean joints, no blobs
pcb
design & make neat boards
leds
blink, dim, and color
transistors
tiny current magicians
switches
spst, dpdt, click!
relays
electrically operated switches
resistors
values & color codes
capacitors
store & smooth energy
diodes
direction, drop, protection
variable resistors
pots: divider & rheostat
cables & wire
solid vs stranded, gauge
connectors
plugs, sockets, headers
4000 series ICs
cmos logic basics
74 series ICs
ttl logic basics
tools
iron, dmm, cutters, calm
power basics
batteries, regulators, current
microcontrollers
arduino/esp32, pwm & adc
sensors
light, temp, motion
motors & drivers
dc, servo, stepper, h-bridge
op-amps
buffers, gain, gentle analog
comms (uart/i²c/spi)
talk between chips
troubleshooting
dmm flow & quick checks
batteries & charging
aa vs li-ion, safety
rf / wireless
wifi/ble modules & antennas
enclosures & hardware
boxes, standoffs, panels
simulate it
try ideas before wiring
safety & esd
calm, clean, protected