9V LED Blinker
Hand-solderable 9V battery-powered red LED blinker using a 555 timer, on/off switch, through-hole passives, and a PP3 battery holder.
Projects
Components
967
Battery Connector, Snap 9V 1 Cell PC Pin
BATTERY CONTACT 9 V
9 V battery clip
through hole
387 Uses
1 Fork
Modest Moccasin Teleporter
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good humidity sensor demo run
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ESPRSSO32 Smart Scale AI...
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and...
59 Forks
Buck Boost 3.3V 500mA Module suJx 1bc7 test 2
A buck boost converter that can be powered from a Li-Ion battery and output 3.3V @ 500mA. Powered by the TPS63051RMWR.
EN is internally pulled up to VIN
Input Voltage Range: 2.5V to 5.5V
Buck Boost 3.3V 500mA Module suJx
A buck boost converter that can be powered from a Li-Ion battery and output 3.3V @ 500mA. Powered by the TPS63051RMWR.
EN is internally pulled up to VIN
Input Voltage Range: 2.5V to 5.5V
5 Forks
IoT Devices and Wearables (no components)
Small, inexpensive AI pendant. Records sound after user presses a button. Indicate behavior with RGB LED. Onboard processing and cloud connectivity through mobile phone tethering.
46 Comments
Vertical Sapphire Tricorder
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Mental Fuchsia Antigravity Battle Room
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Simple LED PWM driver (untested)
Simple LED driver circuit, takes a PWM input from an Arduino or similar. To hook up to LEDs, connect your LED array to LED_DR instead of GND.
5 Uses
1 Fork