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szu simple voltmeter

Overview

A system board is made using stm32f103c8t6 as the chip. The system includes clock circuit, reset circuit, serial port download circuit, etc., and has sockets for display devices such as OLED. Integrate the ADS1115 chip and its application circuit into the above system, and the microcontroller controls the ADS1115 to collect the voltage and display it.

Design Files

Related Devices

Devices	Class	introduce	Datasheet
1N4148WSQ-7-F	Discrete semiconductor;Switching diode	Reverse recovery time (trr): 4ns DC reverse withstand voltage (Vr): 75V Average rectified current (Io): 150mA Forward voltage drop (Vf): 1.25V @ 150mA	Download
DKIH-3452-100N-NK			Download
SML-310PTT86	Light-emitting diodes (leds)		Download
PRA100I7-2K64DBB31	Passive components;The resistor	Array/Network Resistor, Isolated, Thin Film, 0.1W, 2640ohm, 50V, 0.5% +/-Tol, -10,10ppm/Cel, 2806,	Download
ADS1115IDGSR		4-Channel Single ADC Delta-Sigma 860sps 16-bit Serial 10-Pin VSSOP T/R	Download
S9014		Transistor type: NPN Collector-emitter breakdown voltage (Vceo): 45V Collector current (Ic): 100mA Power (Pd): 300mW Collector-emitter saturation voltage (VCE(sat)@Ic,Ib): 300mV@100mA ,5mA DC current gain (hFE@Ic,Vce): 200@1mA,5V Characteristic frequency (fT): 150MHz Operating temperature: -55℃~+150℃@(Tj)	Download
GR5515IGND			Download
67-21S/KKE-H302433Z6/2T(GC)	LED optoelectronic/LED;Light-emitting diodes (leds)		Download
ABS07-32.768KHZ-T	Passive components;Crystal/resonator	Crystal 0.032768MHz ±20ppm (Tol) 12.5pF Flexural 70000Ohm 2-Pin CSMD T/R	Download
AT24C02D-SSHM-T	storage;storage	EEPROM Serial-2Wire 2K-bit 256 x 8 1.8V/2.5V/3.3V 8-Pin SOIC N T/R	Download
K8-2213A-L1	accessories;Key switch	Self-locking/no lock: Self-locking switch height: 14.00mm Contact rated current: 100mA Action force: 240±80gf Installation type: Through hole Dimensions (length and width): 8.50mm x 8.50mm Circuit structure: DPDT high-quality self-locking button	Download
SS8550 Y2			Download
6CS08000F20UCG	Analog mixed-signal IC;SMD crystal resonator (passive)	Equivalent series resistance (ESR): 60Ω Main frequency: 8MHz Frequency tolerance: ±20ppm Load capacitance value: 20pF -	Download
RMC06035101%N	SMD resistor		Download
TFPT0603L1001FV	Passive components;The resistor	Power: 3/4W Operating temperature: -55℃~+150℃ Normal temperature resistance value (25°C, ohms): 1K Resistance accuracy: ±1%	Download
A2541WR-4P	The connector;The connector	Number of Pins: 4 Connector Type: Pin Row Number: 1 Contact Type: Male Pin Pitch: 0.100"(2.54mm) -	Download
AMS1117-3.3	Power/power management;The power supply circuit	Output type: Fixed Maximum input voltage: 15V Output current: 1A Output voltage (minimum value/fixed value): 3.3V 3.3V fixed output, low voltage difference 1.1V(typ)@Iout=1A, Vin=15V(Max)	Download
1TS002E-2600-2500-CT	accessories;Light touch switch	Circuit structure: SPST Contact rated current: 50mA @ 12VDC Button head type: Rectangular Button Button action direction: Top Actuated	Download
APM32F103C8T6	The embedded processor and controller;Other processors and microcontroller (MCU)	32-bit ARM, pin, program and development environment compatible with STM32F103C8T6	Download

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Update:2024-11-14 23:31:24

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