BS818A+STM8L051F3P6的八位电容触摸按键方案PCB跟原理图(PDF)附he

龙凯1989 · 发表于 2018-11-5 16:16:14

原理图：

PCB：

BOM：

Comment	Description	Designator	Footprint	LibRef	Quantity	备注
CR2032	2032电池座	B1	CR2477	CR2032	1
4.7uF		C1	C-0805	4.7uF	1
0-25pF/NC	灵敏度调整电容	C2, C3, C4, C5, C7,C8, C9, C10	C-0805	0-25pF/NC	8	感度调节，可以根据需要再焊接
100nF		C6	C-0805	100nF	1
1uF		C11	C-0805	1uF	1
LED_GREEN		D1, D2, D3, D4, D5,D6, D7, D8	LED0805	LED_GREEN	8
洞洞板孔	2.54间距洞洞孔排	Designator1	1X05_NO_SILK		7
Currents	2.54 2pin 跳线引脚	J1	JUMP_254	Currents	1
CON7		J2, J3	CON7	CON7	2
JUMP_CO		J4, J5, J6, J7, J8,J9, J10	JUMP_SMD_C	JUMP_CO	7
OMS	2.54 2pin 跳线引脚	J11	JUMP_254	OMS	1
SWIM		J12	test_pad	SWIM	1	MCU控制芯片烧录接口
LSC	2.54 2pin 跳线引脚	J13	JUMP_254	LSC	1
CAP_PAD	按键，压克力板	K1, K2, K3, K4, K5,K6, K7, K8	CAP_PAD	CAP_PAD	8
300 ohm	排阻	R1, R2	0603X4	300 ohm	2
10K		R3	R-0805	10K	1
TP-2	测试点	TP1, TP2, TP3, TP4,TP5	TP	TP-2	5
STM8L051F3P6		U1	sop20	STM8L051F3P6	1
BS818A-2		U2	16NSOP	BS818A-2	1