Most common schematic of m-bus and c-bus interface cable. Suitable for most Nokia (M-Bus) and Bosch 508, 509, 607, 608, 718, 738 (C-BUS) cell phones
This simplified M-Bus scheme should be used with most Nokia cell phones (i.e. Nokia 8210, 8850)
Filed under: Data Cable & Pinouts, Electronics, Mobile Phones, Projects, Schematics | No Comments »
Description
25-DSub
36-Cen
Strobe
1
1
Data Bit 0
2
2
Data Bit 1
3
3
Data Bit 2
4
4
Data Bit 3
5
5
Data Bit 4
6
6
Data Bit 5
7
7
Data Bit 6
8
8
Data Bit 7
9
9
Acknowledge
10
10
Busy
11
11
Paper Out
12
12
Select
13
13
Autofeed
14
14
Error
15
32
Reset
16
31
Select
17
36
Signal Ground
18
33
Signal Ground
19
19,20
Signal Ground
20
21,22
Signal Ground
21
23,24
Signal Ground
22
25,26
Signal Ground
23
27
Signal Ground
24
28,29
Signal Ground
25
30,16
Shield
Shield
Shield+17
Filed under: Computer, Datasheets, Electronics, Hardware, Schematics | No Comments »
RX voltage must be limited to 3V (by stabilitron or by using 3 Volt MAX3232) when using cable for SMS-ing. Mobile phone will loose network signal during the data exchange without this.
Filed under: Electronics, Hardware, Projects, Schematics | 1 Comment »
cable for interconnection of USB and RS232 serial interfaces
Filed under: Electronics, Projects, Schematics | No Comments »
Introduction
WinAVRTM (pronounced “whenever”) is a suite of executable, open source software development tools for the Atmel AVR series of RISC microprocessors hosted on the Windows platform. It includes the GNU GCC compiler for C and C++.
Filed under: Downloads, Electronics, Software | No Comments »
All instructions of the mcs-51 microcontroller are shown on 79 pages.
For example the instruction JB bit,rel:
Filed under: Datasheets, Downloads, Electronics, Microcontroller | 1 Comment »
80C31/80C51 - 80C515/80C535 - 80C517/80C537
source : Batronix
Filed under: Datasheets, Downloads, Electronics, Microcontroller | No Comments »
AT89C1051 - AT89C2051 - AT89C4051 - AT89C51 - AT89C52 - AT89C55 - AT89C55CWD - AT89S8252 - AT89S53
Source : Batronix
Filed under: Datasheets, Downloads, Electronics, Microcontroller | 1 Comment »
source : http://www.festra.com
If you use a Delphi component like a ListBox, Memo, TreeList, ListView,… and you add or modify a lot of items (lines, nodes,…), the component’s performance becomes very slow. This is due to the fact that after each change, it is redrawn on the screen.
Thus, modifying 10000 items of a ListBox causes 10000 [...]
Filed under: Uncategorized | No Comments »
source : http://www.festra.com
Count each non-spaces substring as a word, if it is followed by a space, or if it comes at the end of the string. With this rule, you don’t have to worry about multiple, leading nor trailing spaces
Delphi 7 code example:
suppose your string is in variable S, WordCount and CharCounter are integers, [...]
Filed under: Uncategorized | No Comments »