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3) MAX7219 8*8 Dot Matrix Display Module Suite 5V MCU Control DIY Kits 5*3.2*1.5cm
LM386 ultra miniature mini amplifier board kit instructions
Kit using the audio amplifier chip LM386, a simple external circuit, the audio signal is amplified. Circuit is simple, less use of components, welding easy. Sound volume are good, high cost, widely used in small speakers and other equipment.
First, the electrical characteristics
Operating voltage: DC 5 ~ 12V;
Driver Speaker: 0.5W-10W Speaker 1;
PCB Size: 36 * 39mm
Second, the circuit theory
The main circuit LM386 audio amplifier chip and audio input adjustment circuit.
By potentiometer can adjust the size of the input audio signal, thereby controlling the size of the output audio outputs.
1. Product Feature:
Seamless splicing and so that the dot matrix can be flexible spliced .
Common cathode with bright dot matrix(8*8), display fresh and brilliant picture.
A screen roll freely, to achieve the perfect picture display
Since the master chip is used in Max7219 to- make product have the following characteristics:
1).The transmission efficiency of up to 10MHz.
2).Can be individually controlled for each point.
3).Lowest power consumption of 450uA (one module).
4).Power-on reset automatically display full black
5).Serial communication, a great saving of MCU IO, also can be extended To expand the program with SPI.
6).For each screen brightness control, by setting the Max7219 instructions.
2. Application: Education,DIY, Robot,etc.
3. ABSOLUTE MAXIMUM RATINGS
Voltage (with respect to GND) V+: -0.3V to 6V
DIN, CLK, LOAD, CS: -0.3V to 6V Current
DIG0-DIG7 Sink Curr: 500mA
SEGA-G, DP Source Current: 100mA
Continuous Power Dissipation (TA=+85°C) Narrow Plastic DIP: 0.87W
Wide SO: 0.76W
Narrow CERDIP: 1.1W
Operating Temperature Ranges(Max7219) MAX7219: 0°C to +70°C
Storage Temperature Range: -65°C to +160°C
Lead Temperature (soldering, 10sec): +300°C
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1. Function DIY
Product Introduction:
1.PCB Size:37*77mm
2.Power Input Voltage:DC 12V;current 5A;power more than 60W;f the power is lower than 12V 5A,it cannot be operate normally;if the voltage is higher than 14V,it will get damaged easily.
3.Output:20kv pulsation DC arc music.
1.PCB Size:37*77mm
2.Power Input Voltage:DC 12V;current 5A;power more than 60W;f the power is lower than 12V 5A,it cannot be operate normally;if the voltage is higher than 14V,it will get damaged easily.
3.Output:20kv pulsation DC arc music.
Product Introduction:
1.Model:YCH-340
2.PCB Size:25*45mm
3.Application Fields:as tools ot MCU upgrade,disk maintenance,router upgrade
4.Circuit Principle Picture:
1.Model:YCH-340
2.PCB Size:25*45mm
3.Application Fields:as tools ot MCU upgrade,disk maintenance,router upgrade
4.Circuit Principle Picture:
Characteristics:
1.Adopt CH340G chip
2.Adopt double-sided circuit board and heat shrink tube.
3.Onboard power lamp (green),TXD (yellow) and RXD (red) as indicator lamps.
4.The short circuit cap can select 3.3V or 5V;0.5A self-recovered safety to guarantee USB interface.
5.With 4 pieces of dupont wire.
6.Support WINDOWS 98/ME/2000/XP/Server 2003/VISTA/Server 2008/Win7/Win8 32 bits/64 bits.
1.Adopt CH340G chip
2.Adopt double-sided circuit board and heat shrink tube.
3.Onboard power lamp (green),TXD (yellow) and RXD (red) as indicator lamps.
4.The short circuit cap can select 3.3V or 5V;0.5A self-recovered safety to guarantee USB interface.
5.With 4 pieces of dupont wire.
6.Support WINDOWS 98/ME/2000/XP/Server 2003/VISTA/Server 2008/Win7/Win8 32 bits/64 bits.
Product Introduction:
1.Single module can drive a 8*8 common cathod dot matrix
2.Operating Voltage:5V
3.Size:5*3.2*1.5cm
4.With 4pcs fixing screw holes,diameter 3mm
5.With input and output interface,support several modules cascading
Connnection Introduction:
1.Left side of module is input port,right side is output port
2.When control single module,only needs to connect input port with CPU
3.When several modules cascading,the
first module input port connects with CPU,output port connects with the
second module's input port.
The second module's output port connects with the third module's input port and so on
4.Take 51 MCU as example:VCC-5V;GND-GND;DIN-P22;CS-P21;CLK-P20
2. Funny DIY
Product Introduction:
1.HX3208 suite adopts electric tunning monolithic FM integration circuit, and tunning is convenient and accurate, has high sensitivity of receiving;small and light, easy to carry.
2.Voltage 1.8-3.5V, internal structure has mute circuit to prevent from noise during tunning.
3.Adopting low and middle frequency 70KHz technique, saving middle frequency and ceramic filter; the circuit is simple and reliable;modulation is coonvenient.
1.HX3208 suite adopts electric tunning monolithic FM integration circuit, and tunning is convenient and accurate, has high sensitivity of receiving;small and light, easy to carry.
2.Voltage 1.8-3.5V, internal structure has mute circuit to prevent from noise during tunning.
3.Adopting low and middle frequency 70KHz technique, saving middle frequency and ceramic filter; the circuit is simple and reliable;modulation is coonvenient.
Blue LED Circular Lamp DIY Kit Funny Electronic Kits
3. Power Amplifier DIY
LM386 ultra miniature mini amplifier board kit instructions
Kit using the audio amplifier chip LM386, a simple external circuit, the audio signal is amplified. Circuit is simple, less use of components, welding easy. Sound volume are good, high cost, widely used in small speakers and other equipment.
First, the electrical characteristics
Operating voltage: DC 5 ~ 12V;
Driver Speaker: 0.5W-10W Speaker 1;
PCB Size: 36 * 39mm
Second, the circuit theory
The main circuit LM386 audio amplifier chip and audio input adjustment circuit.
By potentiometer can adjust the size of the input audio signal, thereby controlling the size of the output audio outputs.
4.ICStation DIY
1. Product Feature:
Seamless splicing and so that the dot matrix can be flexible spliced .
Common cathode with bright dot matrix(8*8), display fresh and brilliant picture.
A screen roll freely, to achieve the perfect picture display
Since the master chip is used in Max7219 to- make product have the following characteristics:
1).The transmission efficiency of up to 10MHz.
2).Can be individually controlled for each point.
3).Lowest power consumption of 450uA (one module).
4).Power-on reset automatically display full black
5).Serial communication, a great saving of MCU IO, also can be extended To expand the program with SPI.
6).For each screen brightness control, by setting the Max7219 instructions.
2. Application: Education,DIY, Robot,etc.
3. ABSOLUTE MAXIMUM RATINGS
Voltage (with respect to GND) V+: -0.3V to 6V
DIN, CLK, LOAD, CS: -0.3V to 6V Current
DIG0-DIG7 Sink Curr: 500mA
SEGA-G, DP Source Current: 100mA
Continuous Power Dissipation (TA=+85°C) Narrow Plastic DIP: 0.87W
Wide SO: 0.76W
Narrow CERDIP: 1.1W
Operating Temperature Ranges(Max7219) MAX7219: 0°C to +70°C
Storage Temperature Range: -65°C to +160°C
Lead Temperature (soldering, 10sec): +300°C
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