Dekko KY-4300B Digital 4 terminal earth resistance tester & soil resistivity tester

Dekko KY-4300B Digital 4 terminal earth resistance tester & soil resistivity tester

Specification:

• Earth Resistance : 2Ohm - 20Ohm - 200Ohm - 2000Ohm - 20 KOhm - 200 K.Ohm
• Soil Resistivity (p=2*n a*Rg) :0.3-395.4Wm / 0.3-3954Wm / 0.003-39.54kWm / 0.03k-395.4kWm Accuracy 2W ± (3% rdg ± 0.03W ) (1)
• Frequency ± 1% rdg ± 2 dgt (0.5Hz) 
• Memory capacity 1000 
• LCD Dot matrix 192 x 64 monocrome 
• Power Source AA 1.5V x 8 
• Dimension 190 x 155 x 75 mm 
• Weight approx.900g 

Dekko KY-4105A Digital earth resistance meter

Dekko KY-4105A Digital earth resistance meter

Specification:

• Earth Resistance 20/200/2000 Ohm ± (2%+3)  
• Earth Voltage 0-30V  ± (3%+5) 
• Resolution 0.01W
• Data Hold yes
• Working LED Indicator yes
• Function Symbol Display yes
• Low Battery Warning   yes   

GENERAL INFORMATION 

• Power Source AA 1.5V x 6 (UM 3) 12V x 1
• Dimension 150 x 100 x 70 mm 
• Weight   approx.680g 

Atmel ATMEGA16A-PU Microcontroller

Atmel ATMEGA16A-PU 8-bit Microcontroller , AVR family.
The difference between ATmega16 with ATmega16A is the consumption of electric current needed

specifications: 
- Architecture: 8-bit RISC
- Working voltage: 2.7V - 5.5V DC
- Size of program memory: 16K bytes
- Volatile data memory size: 1K byte SRAM
- The size of non-volatile data memory: 512 bytes EEPROM
- ADC: 8-channel 10-bit ADC
- Peripheral: 4-channel PWM, analog comparator
- Number of I / O: 32
- Number of external interrupts: 3
- Timer / Counter: Two 16-bit timer / counter and one 8-bit timer / counter
- Speed​​: 16-MIPS (@ 16 MHz)
- Working frequency: up to 16 MHz
- Interface programming: ISP, Parallel
- Debugger interface: JTAG
- Interface peripherals: UART, SPI and TWI (I2C)
- Special features: Watchdog timer, RTC, internal calibrated RC Oscillator
- Packaging: 40 PDIP

Atmel AT89C51AC3-SLSUM microcontroller

Atmel AT89C51AC3-SLSUM 8-bit microcontroller family MCS-51 ATMEL production. There Routine Boot Loader via UART to the ISP. 

specifications: 
- Architecture: 8051
- Working voltage: 3VDC - 5.5 VDC
- Size of program memory: 64K Byte Flash
- Volatile data memory size: 2304 Byte SRAM
- The size of non-volatile data memory: 2K Bytes EEPROM
- ADC: 8 channel 10-bit ADC input Multiplexed
- Peripheral: 5 channel 16-bit PCA (PWM 8-bit, High Speed ​​Output, Timer and Edge Capture)
- Number of I / O: 36
- Timer / Counter: 3 channel Timer / Counters 16-bit, 5 channel PCA (Programmable Counter Array)
- Working frequency: 40 MHz / 60 MHz (standard mode) or 20 MHz / 30 MHz (X2 Mode)
- Interface programming: ISP
- Interface peripherals: Full Duplex UART Compatible 80C51
- Special features: X2 mode (300ns cycle time)
- Packaging: PLCC-44

Atmel AT89LP6440-20AU microcontroller

Atmel AT89LP6440-20AU 8-bit microcontroller MCS-51 ATMEL  family  with speed 6 times faster than the standard 8051. 

specifications: 
- Architecture: 8-bit MCS-51
- Working voltage: 2.4 VDC - 3.6 VDC
- Size of program memory: 64K Bytes of In-System Programmable Flash Memory
- Volatile data memory size: 4352 Byte RAM
- The size of non-volatile data memory: 8K Byte EEPROM (Flash)
- ADC: 8 channel 10-bit ADC, 8 channel 10-bit DAC
- Peripheral: 2-channel 8-bit PWM, PWM 4 channel 16-bit, 2-channel Analog Comparator
- Number of I / O: 38
- Number of external interrupts: 8 General Purpose Interrupt Pins
- Timer / Counter: 3 channel Timer / Counters 16-bit
- Speed​​: 20 MIPS (@ 20MHz)
- Working frequency: External 0 Hz - 20 MHz (Internal RC Oscillator 8MHz)
- Interface programming: ISP
- Interface peripherals: UART, Master / Slave SPI, Master / Slave I2C
- Packaging: TQFP-44

Atmel AT89S8253-24PU microcontroller

Atmel AT89S8253-24PU microcontroller , 8-bit MCS-51 family.

specifications: 
- Architecture: 8051
- Working voltage: 2.7 - 5.5 VDC
- Size of program memory: 12k Byte
- Volatile data memory size: 256 x 8-bit
- The size of non-volatile data memory: 2k Byte
- Peripheral: Watchdog timer
- Number of I / O: 32
- Number of external interrupts: 2
- Timer / Counter: 3 timers / counters 16-bit
- Working frequency: 0-24 MHz
- Interface programming: ISP
- Interface peripherals: UART, SPI
- Special features: Dual Data pointer, idle mode, power down mode
- Packaging: 40-pin DIP

Dekko KY-4102A Analog earth resistance meter

Dekko KY-4102A Analog earth resistance meter

specification:

• Earth Resistance  20/200/2000 Ohm  ±5% 
• Earth Voltage 0-30V ±5% 
• Low Battery Check Yes 

GENERAL INFORMATION

• Power Source AA 1.5V x 6 (UM 3) 12V x 1 
• Dimension 150 x 100 x 70 mm 
• Weight approx 680g 

ENC28J60/SO Microchip Ethernet Controller

ENC28J60/SO Microchip Ethernet Controller IC production that uses SPI Interface. 

specifications: 

- Power Supply: 3.3V 

- Number of sockets: 1 channel 

- TCP / IP: Support by Spftware 

- PHY: 10BASE-T 

- Data transfer speeds: up to 10 Mb / s SPI interface 

- Interface: Serial SPI 

- Packaging: 28-SOIC

PIC 16F877A-I/P by microchip

16F877A-I/P 8-bit RISC Flash microcontroller Enhanched artificial and included in Microchip PICmicro family.

specifications: 
- Architecture: RISC PIC
- Working voltage: 2.0V - 5.5V
- Program memory size: 8 KB (14-bit Words)
- Volatile data memory size: 368 Bytes Data RAM
- The size of non-volatile data memory: 256 Bytes EEPROM Data
- ADC: 8 Channel 10-bit
- Peripheral: 2 PWM, Analog Comparator 2
- Number of I / O: 33
- Number of external interrupts: 1
- Timer / Counter: Two 8-bit and One 16-bit Timer / Counter
- Speed​​: DC - 200 ns Instruction Cycle
- Working frequency: DC - 20 MHz
- Interface programming: ICSP via Two Pins
- Interface peripherals: USART, SPI, and I2C
- Special features: Power-on Reset, Brown-out Detection
- Packaging: DIP-40

PIC 16F785-I/P microcontroller

16F785-I/P 8-bit Microcontroller by Microchip is already equipped with a Two-Phase PWM asychronous Feedback

specifications: 
- Architecture: RISC
- Working voltage: 2VDC - 5.5VDC
- Program memory size: 3.5 K Byte
- Volatile data memory size: 128 Bytes
- The size of non-volatile data memory: 256 Byte
- ADC: 12 channel 10-bit ADC
- Peripheral: 2 channels, Op-Amp, 2 comparator
- Number of I / O: 17 I / O
- Timer / Counter: 2-channel 8-bit timer and one 16-bit timer channel
- Working frequency: 20MHz
- Interface programming: ICSP
- Interface debugger: ICD
- Special features: two-phase asychronous Feedback PWM.
- Packaging: 20-pin DIP