tinyRemote

• A 12 keys IR remote controller using ATTINY414, with learning capability
• Designed for soldering practice
• Reference code in directories "remote" and "learn"
• bare pcd available at TINDIE

Annotation

PCB Top view

PCB Bottom view

Schematic

BOM

Description	Package	Quantity	Designator
Tactile switch	smd 6 x 6	12
npn transistor BC817	SOT-23	1	Q2
LED green	0805	1	D3
Ceramic capacitor, 1nF	0805	1	C3
Ceramic capacitor, 1uF	0805	1	C1
Micro-controller ATTINY414-SS	SOIC-14	1	U1
Resistor 4k7	0805	3	R5, R6, R7
Resistor 18 ohm	0805	3	R1, R2, R3
Resistor 470 ohm	0805	1	R4
Diode Schottky, MBRA340	SMA	1	D1
IR photo-transistor, PT17-21B	0805	1	Q1
IR LED	D=3mm	3	D2, D4, D5
Pin Header 1 x 4, pitch 2.54 mm, straight		2	J1, J2
Battery holder, 2 x AAA, Keystone 2468		1

UPDI/UART to CP2102(usb2ttl) connection

UPDI	UART	CP2102
+	+	3V3
4k7	RXD	TXD
UPDI	TXD	RXD
-	-	GND